IMC Chicago’s Altimmune ALT Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$950K Buy
308,500
+34,400
+13% +$146K ﹤0.01% 3339
2025
Q4
$990K Sell
274,100
-34,500
-11% -$150K ﹤0.01% 2982
2025
Q3
$1.16M Sell
308,600
-111,000
-26% -$429K ﹤0.01% 2604
2025
Q2
$1.62M Buy
419,600
+172,600
+70% +$934K ﹤0.01% 2155
2025
Q1
$1.24M Sell
247,000
-72,300
-23% -$458K ﹤0.01% 2136
2024
Q4
$2.3M Buy
319,300
+82,700
+35% +$632K ﹤0.01% 1759
2024
Q3
$1.45M Sell
236,600
-12,200
-5% -$82.7K ﹤0.01% 1855
2024
Q2
$1.65M Buy
248,800
+33,400
+16% +$246K ﹤0.01% 1677
2024
Q1
$2.19M Buy
215,400
+32,300
+18% +$329K ﹤0.01% 1309
2023
Q4
$2.06M Buy
+183,100
New +$764K ﹤0.01% 1202
2023
Q2
Sell
-102,700
Closed -$433K 1282
2023
Q1
$433K Buy
102,700
+28,900
+39% +$343K ﹤0.01% 1189
2022
Q4
$1.21M Sell
73,800
-21,100
-22% -$237K ﹤0.01% 954
2022
Q3
$1.21M Buy
+94,900
New +$1.4M ﹤0.01% 872
2021
Q2
Sell
-16,700
Closed -$236K 1092
2021
Q1
$236K Sell
16,700
-37,200
-69% -$601K ﹤0.01% 1015
2020
Q4
$608K Buy
+53,900
New +$635K ﹤0.01% 929

Other funds holding ALT

IMC Chicago's ALT Position: Q1 2026 in Review

IMC Chicago reduced its Altimmune (ALT) stake by 94% in Q1 2026, selling an estimated $693K and leaving 10,004 shares worth $30.8K. The position accounts for ﹤0.01% of the portfolio, ranked #5595.

IMC Chicago first reported a position in ALT in Q3 2022 and has held it in 11 quarters since. The position peaked at $2.19M in Q4 2024. 173 funds tracked by Wall St. Rank hold ALT as of Q1 2026.

  • IMC Chicago held 10,004 shares of Altimmune worth $30.8K as of Q1 2026.
  • IMC Chicago sold 163,126 Altimmune shares in Q1 2026, an estimated $693K.
  • Altimmune made up ﹤0.01% of IMC Chicago's portfolio in Q1 2026, its #5595 holding.
  • IMC Chicago first reported a position in Altimmune in Q3 2022 and has held it in 11 quarters since.
  • IMC Chicago's Altimmune position peaked at $2.19M in Q4 2024.
  • 173 funds tracked by Wall St. Rank held Altimmune as of Q1 2026.

Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.